Dell Vostro 3425 - Wireless Module; Audio

Wireless module
The following table lists the Wireless Local Area Network (WLAN) modules supported on your Vostro 3425.
Table 10. Wireless module specifications
Description Option one Option two
Model number
Realtek RTL8821CE MediaTek MT7921
Transfer rate
433 Mbps 1200 Mbps
Frequency bands supported
2.40 GHz/5 GHz 2.40 GHz/5 GHz
Wireless standards
● WiFi 802.11a/b/g
● Wi-Fi 4 (Wi-Fi 802.11n)
● Wi-Fi 5 (WiFi 802.11ac)
● WiFi 802.11a/b/g
● Wi-Fi 4 (Wi-Fi 802.11n)
● Wi-Fi 5 (Wi-Fi 802.11ac)
● Wi-Fi 6 (Wi-Fi 802.11ax)
Encryption
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
Bluetooth
Bluetooth 5.0 Bluetooth 5.2
Audio
The following table lists the audio specifications of your Vostro 3425.
Table 11. Audio specifications
Description Values
Audio controller
Realtek ALC3254
Stereo conversion
Supported
Internal audio interface
High definition audio interface
External audio interface
One headset (headphone and microphone combo) port
Number of speakers
Two
Internal-speaker amplifier
Not supported
External volume controls
Keyboard shortcut controls
Speaker output:
Average speaker output
2 W
Peak speaker output
2.5 W
Subwoofer output
Not supported
Microphone
● Carbon Black/ Titan Gray (Plastic): Single-integrated
microphone
● Titan Gray (Aluminum): Dual array microphone
Specifications of Vostro 3425 15